Eobard Thawne

Eobard Thawne, known to the DC Universe as Professor Zoom and the Reverse-Flash, stands as one of the most dangerous and obsessive villains in all of comics. First appearing in The Flash #139 in 1963, Thawne was introduced as a man from the 25th century who idolized Barry Allen to a disturbing degree — only to discover his destiny was to become the Flash's greatest enemy. That debut issue is a cornerstone Silver Age key, and copies in any grade are highly sought after by Flash collectors and Silver Age enthusiasts alike.

What makes Thawne so compelling — and so collectible — is the sheer scope of his villainy. He didn't just fight the Flash; he systematically destroyed Barry Allen's life. He murdered Barry's mother Nora in cold blood, a revelation that recontextualized decades of Flash history during Geoff Johns' landmark run on The Flash: Rebirth (2009). That retcon sent shockwaves through the collecting community, making his key appearances surge in demand. His role in Flashpoint (2011) — where Thawne's manipulation of the timeline led to one of DC's most consequential reboots — cemented him as a villain whose actions literally reshape universes. Flashpoint #1 and the tie-in issues remain essential reads and strong back-issue performers.

Thawne's powerset goes far beyond simple super speed. Through his twisted mastery of the Negative Speed Force, he can manipulate time, phase through matter, generate devastating vibration waves, and even reverse the aging process of others with a lethal touch. His near-immortal nature and reality-warping capabilities make him a genuine cosmic-level threat, reflected in his membership across teams like the Legion of Doom and the Secret Society of Super Villains. His brief but terrifying run under the Black Lantern Corps during Blackest Night further showcased his versatility as a villain who fits into virtually any era of DC storytelling.

For collectors, Eobard Thawne's books represent some of the best investments in the DC back-issue market. The Flash #139 is the crown jewel, but keys like The Flash: Rebirth #1, Flashpoint #1, and his various modern-era appearances continue to hold strong value. His cultural footprint expanded massively thanks to television, bringing new collectors into the hunt for his print appearances. Whether you're building a Silver Age Flash run or hunting modern keys, Reverse-Flash books belong in any serious DC collection.